Oscar and Hedgehog get an unsettling glimpse into the future.

On the third day of the world, Barb tries to save the ferns from being eaten by the spotted bears. But the bears are only getting hungrier and hungrier – will Barb be able to stop the ferns from going extinct?

On the eve of Ramona’s exile to Frozen Time, Susie tries to get rid of the sad memory of their relationship, but soon finds herself haunted by the past.

When Oscar isn’t invited to Alexa’s birthday party, Mortimer tries to make him feel better by telling him about a similar time in his life. Ever the glowworm, Oscar sneaks back in time to help a young Mortimer overcome the sad experience.

Mortimer and the monsters must figure out how to send Oscar back to his own time, but the only person that can help is the foe of monsters everywhere: a witch. Will they all be able to work together to get Oscar back to Hedgehog?

Susie must rely on Oscar and Hedgehog in unimaginable ways after a magic trick gone wrong.

Barb and the Alien King take an eventful walk around the island.

Hedgehog worries that she may be too little to make big witch decisions.

The magical creatures work together to send Mildred on a mission so they can have a special bedtime.

When a summer storm brews, the crew cozies up in the library.